Evolution of the Permian family Spirolegoceratidae (Goniatitida, Ammonoidea)
The evolution of the Permian ammonoid family Spirolegoceratidae is discussed and a new phylogenetic reconstruction is proposed based on new data. Two subfamilies are recognized within the family Spirolegoceratidae: Spirolegoceratinae Nassichuk and Sverdrupitinae subfam. nov. A new genus, Archboldice...
Main Authors: | , |
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Format: | Article in Journal/Newspaper |
Language: | unknown |
Published: |
2007
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Subjects: | |
Online Access: | https://openrepository.ru/article?id=180723 |